Technology Process of 2,4-dichloro-8-phenyl-7,8-dihydro-5H-pyrano[4,3-d]pyrimidine
There total 7 articles about 2,4-dichloro-8-phenyl-7,8-dihydro-5H-pyrano[4,3-d]pyrimidine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
trichlorophosphate;
at 100 ℃;
for 1h;
Sealed tube;
Microwave irradiation;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: iodine / 1.5 h / 4 - 28 °C
2.1: sodium hexamethyldisilazane / trans-2-aminocyclohexanol hydrochloride; nickel(II) chloride hexahydrate / tetrahydrofuran / 0.42 h / 0 °C / Inert atmosphere
2.2: 20 - 60 °C / Inert atmosphere
2.3: 0 °C
3.1: 3 h / 58 - 130 °C / Sealed tube
4.1: ammonium hydroxide / 80 °C / Sealed tube
5.1: trichlorophosphate / 1 h / 100 °C / Microwave irradiation; Sealed tube
With
ammonium hydroxide; iodine; sodium hexamethyldisilazane; trichlorophosphate;
trans-2-aminocyclohexanol hydrochloride; nickel(II) chloride hexahydrate;
In
tetrahydrofuran;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: sodium hexamethyldisilazane / trans-2-aminocyclohexanol hydrochloride; nickel(II) chloride hexahydrate / tetrahydrofuran / 0.42 h / 0 °C / Inert atmosphere
1.2: 20 - 60 °C / Inert atmosphere
1.3: 0 °C
2.1: 3 h / 58 - 130 °C / Sealed tube
3.1: ammonium hydroxide / 80 °C / Sealed tube
4.1: trichlorophosphate / 1 h / 100 °C / Microwave irradiation; Sealed tube
With
ammonium hydroxide; sodium hexamethyldisilazane; trichlorophosphate;
trans-2-aminocyclohexanol hydrochloride; nickel(II) chloride hexahydrate;
In
tetrahydrofuran;